Department Of Transportation Uniform Tire Quality Grades
The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Extreme Cold Weather (Below –20°F Or 29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (available
from your authorized dealer) is recommended. ...
Tire Pressure Monitoring Low Pressure Warnings
The TPM Telltale Light will illuminate in the
instrument cluster and a chime will sound when
tire pressure is low in one or more of the four
active road tires. In addition, the EVIC will displ ...
Manual Compass Calibration
If the compass appears erratic or inaccurate, and the
variance has been properly set, you may wish to manually
recalibrate the compass. To manually calibrate the
compass:
1. Start the engine. L ...